Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crem-solutions.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 21:21:43 UTC · ↺ Refresh
MX Hostnames
- cremsolutions-de01b.mail.protection.outlook.com
MX Priorities
- cremsolutions-de01b.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.75.6 (no PTR)
- 104.26.4.180 (no PTR)
- 104.26.5.180
- 2606:4700:20::681a:4b4
- 2606:4700:20::681a:5b4
- 2606:4700:20::ac43:4b06
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
laura.ns.cloudflare.com dns.cloudflare.com 2400115091 10000 2400 604800 1800
Primary NS (mname)
laura.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400115091
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
wells.ns.cloudflare.com
laura.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_u.crem-solutions.de._spf.dmarclyeu.com include:spf.protection.outlook.com include:spf.mailtastic.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- redirect:https://crem-solutions.de
- teamviewer-sso-verification=5cf59bcdab0d4e499cc1cdf4cc5cf1c0
- SPFv=spf1 include:_u.crem-solutions.de._spf.dmarclyeu.com include:spf.protection.outlook.com include:spf.mailtastic.com -all
- wiz-domain-verification=a7efd6a5df30580cdb0a7046bdece8027981b23940d53d77713db9945b7bd57d
- MS=ms79570592
- duo_sso_verification=PfjD57XMB8PL2oZBk8GUA036tUpmR1onXcKgyPBl5xyVvT86BJDgnTfA2bJCy2sS
- https://send.bitwarden.com/#1zuGfp9Ie0WkX7JtAMwzTw/JlIP7QOcsVnWZqv7I-_nyw
- include:spf.emailsignatures365.com
- miro-verification=5b44f6d805410e3c23d9071a96ebb7ac43658c97
- perplexity-ai-domain-verification-sk59q8=c8HlxDtpLKwUewMjEdBy0k0lh
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